Cheap flights from Dublin to Chicago from £323

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Dublin to Chicago departing on 29/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Scandinavian Airlines Logo
12:30 - 21:05DUB-ORD
13h 35m1 stop
Scandinavian Airlines Logo
19:20 - 19:35ORD-DUB
18h 15m2 stops
£323Scandinavian Airlines
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Wed, 29 Oct - Sun, 2 Nov
Multiple Airlines Logo
11:45 - 20:05DUB-ORD
14h 20m1 stop
Multiple Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£325Multiple Airlines
Find Deal
Wed, 5 Nov - Tue, 11 Nov
Scandinavian Airlines Logo
19:05 - 18:45DUB-ORD
28h 40m1 stop
Scandinavian Airlines Logo
19:20 - 11:45ORD-DUB
34h 25m1 stop
£326Scandinavian Airlines
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Wed, 29 Oct - Sun, 2 Nov
Lufthansa Logo
05:10 - 20:05DUB-ORD
20h 55m1 stop
Lufthansa Logo
21:50 - 17:10ORD-DUB
13h 20m1 stop
£329Lufthansa
Find Deal
Wed, 5 Nov - Tue, 11 Nov
Lufthansa Logo
05:10 - 16:20DUB-ORD
16h 10m1 stop
Lufthansa Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£334Lufthansa
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Sun, 2 Nov - Sun, 9 Nov
United Airlines Logo
09:20 - 15:00DUB-ORD
35h 40m1 stop
United Airlines Logo
20:20 - 09:45ORD-DUB
7h 25mdirect
£342United Airlines
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Wed, 8 Oct - Mon, 13 Oct
United Airlines Logo
09:00 - 15:10DUB-ORD
12h 10m1 stop
United Airlines Logo
18:35 - 08:10ORD-DUB
7h 35mdirect
£343United Airlines
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Mon, 3 Nov - Sun, 9 Nov
KLM Logo
09:45 - 16:25DUB-MDW
12h 40m1 stop
KLM Logo
10:35 - 07:45MDW-DUB
15h 10m1 stop
£350KLM
Find Deal
Sun, 22 Feb - Wed, 4 Mar
British Airways Logo
20:40 - 13:50DUB-ORD
23h 10m1 stop
British Airways Logo
20:40 - 14:20ORD-DUB
11h 40m1 stop
£368British Airways
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Sun, 2 Nov - Sun, 9 Nov
KLM Logo
09:45 - 16:25DUB-MDW
12h 40m1 stop
KLM Logo
13:05 - 07:45MDW-DUB
13h 40m1 stop
£456KLM
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Sun, 1 Mar - Wed, 11 Mar

Lufthansa flights from Dublin to Chicago

Our best Lufthansa deals on Dublin to Chicago flight tickets
Lufthansa
5 Nov
DUB05:10Dublin
20h 55m
1 stop
ORD20:05Chicago O'Hare Intl
11 Nov
ORD21:50Chicago O'Hare Intl
13h 20m
1 stop
DUB17:10Dublin
Lufthansa
2 Nov
DUB05:10Dublin
16h 10m
1 stop
ORD16:20Chicago O'Hare Intl
9 Nov
ORD18:35Chicago O'Hare Intl
7h 35m
DUB08:10Dublin
Lufthansa
13 Oct
DUB05:55Dublin
15h 00m
1 stop
ORD14:55Chicago O'Hare Intl
21 Oct
ORD20:20Chicago O'Hare Intl
7h 25m
DUB09:45Dublin

Delta flights from Dublin to Chicago

Our best Delta deals on Dublin to Chicago flight tickets
Delta
31 Oct
DUB05:55Dublin
14h 25m
1 stop
ORD15:20Chicago O'Hare Intl
4 Nov
ORD16:15Chicago O'Hare Intl
17h 30m
2 stops
DUB15:45Dublin
Delta
13 Oct
DUB05:55Dublin
14h 45m
1 stop
ORD14:40Chicago O'Hare Intl
21 Oct
ORD10:36Chicago O'Hare Intl
15h 39m
2 stops
DUB08:15Dublin
Delta
31 Oct
DUB05:55Dublin
17h 12m
2 stops
ORD18:07Chicago O'Hare Intl
7 Nov
ORD17:20Chicago O'Hare Intl
16h 25m
1 stop
DUB15:45Dublin

momondo Fare Finder

 
Customise your flight search to find flights from Dublin to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from Dublin to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

12:30-21:05

1 stop13h 35m

Chicago O'Hare Intl

Sun 2/11

19:20-19:35

2 stops18h 15m

£323

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/11

11:45-20:05

1 stop14h 20m

Chicago O'Hare Intl

Tue 11/11

18:35-08:10

Nonstop7h 35m

£325

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 29/10

19:05-18:45

1 stop28h 40m

Chicago O'Hare Intl

Sun 2/11

19:20-11:45

1 stop34h 25m

£326

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 5/11

05:10-20:05

1 stop20h 55m

Chicago O'Hare Intl

Tue 11/11

21:50-17:10

1 stop13h 20m

£329

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

05:10-16:20

1 stop16h 10m

Chicago O'Hare Intl

Sun 9/11

18:35-08:10

Nonstop7h 35m

£334

DublinChicago

DUB - ORD

DUBORD

Dublin

Wed 8/10

09:20-15:00

1 stop35h 40m

Chicago O'Hare Intl

Mon 13/10

20:20-09:45

Nonstop7h 25m

£342

DublinChicago

DUB - ORD

DUBORD

Dublin

Mon 3/11

09:00-15:10

1 stop12h 10m

Chicago O'Hare Intl

Sun 9/11

18:35-08:10

Nonstop7h 35m

£343

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 22/2

09:45-16:25

1 stop12h 40m

Chicago Midway

Wed 4/3

10:35-07:45

1 stop15h 10m

£350

DublinChicago

DUB - ORD

DUBORD

Dublin

Sun 2/11

20:40-13:50

1 stop23h 10m

Chicago O'Hare Intl

Sun 9/11

20:40-14:20

1 stop11h 40m

£368

DublinChicago

DUB - MDW

DUBMDW

Dublin

Sun 1/3

09:45-16:25

1 stop12h 40m

Chicago Midway

Wed 11/3

13:05-07:45

1 stop13h 40m

£456

Flights are sorted by cheapest return flights first.

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See travel insights to Chicago from

How to get the cheapest flight ticket from Dublin to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Dublin and Chicago?

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from Dublin is in January. Flight prices, which tend to average around £364, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Chicago from Dublin during September instead. Flights to Chicago in September, while not as cheap as those in January, still average around £373.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Tuesday when prices can be found for as low as £536. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Monday, with ticket prices averaging around £591.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from Dublin in the evening is the least expensive time of day to depart. momondo users have found prices as low as £474 when looking at flights departing in the evening. Flights at midday are often more expensive, with an average ticket price of £583.

What is the cheapest Dublin to Chicago flight route?

Fly from Dublin to Chicago O'Hare Intl for the best Dublin - Chicago flight prices

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Dublin when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £444 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Dublin for as low as £392 on momondo.

What cabin class options are available on Dublin to Chicago flights?

There are 3 cabin classes available to choose from on Dublin to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Dublin to Chicago flights?

You could potentially save up to 43% on your flight if you consider stops on a Dublin to Chicago flight.

How have Dublin to Chicago flight prices changed over time?

As of September 2025, prices for Dublin to Chicago flights are approximately 43% more expensive when compared to flights at the same time last year.

When to book flights from Dublin to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Dublin to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Dublin to Chicago (DUB to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dublin to Chicago

Best price found

£500

Fastest flight time

8h 00m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

Airports in Chicago

1 airport
The best one-way flight to Chicago from Dublin in the past 72 hours is £500. The best return flight deal from Dublin to Chicago found on momondo in the last 72 hours is £465.
The fastest flight from Dublin to Chicago takes 8h 00m
Direct flights go from Dublin to Chicago on Monday, Tuesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights..
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
  • How far is Dublin to Chicago by plane?

    The distance between Dublin and Chicago is about 3657.3 mi. By plane, this route typically takes 8h 00m.

  • When did momondo last update prices for flights from Dublin Airport to Chicago?

    Prices for flights from Dublin Airport to Chicago refresh daily.

  • How many operators does momondo search for flights from Dublin Airport to Chicago?

  • How old do you have to be to fly from Dublin Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dublin Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Dublin to Chicago?

  • What is the most popular airline from Dublin to Chicago?

Best airlines flying from Dublin to Chicago

Compare and see reviews for airlines that fly from Dublin to Chicago with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £293Free CancellationRating
7.0
544 reviews
Search Icelandair flights
British AirwaysPriceFrom £294Free CancellationRating
6.7
7,363 reviews
Search British Airways flights
FinnairPriceFrom £310Free CancellationRating
7.6
1,324 reviews
Search Finnair flights
Aer LingusPriceFrom £338Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £341Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom £446Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
  • Finnair Flights From Dublin to Chicago

    Finnair operates around 7 flights from Dublin to Chicago every week. The average price of these flights found in the last 72 hours has been £717, but momondo users have found Finnair deals from Dublin to Chicago from as low as £423 round-trip. Finnair has been scored 7.6/10 in 1,324 reviews.

  • United Airlines Flights From Dublin to Chicago

    United Airlines (7.4/10 from 8,924 reviews) operates around 6 flights from Dublin to Chicago in any given week. The average United Airlines airfare for this route is around £862, with deals from around £465 rare but found on momondo. Referenced prices are for round-trip Dublin to Chicago flight searches in the last 72 hours.

Why use momondo?

Why should I use momondo to find a flight deal from Dublin to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dublin to Chicago . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dublin to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Dublin with this policy.

How can momondo help me find flights from Dublin to Chicago?

Once all potential Dublin to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Dublin to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from Dublin. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 17/10
Fri 24/10

Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago